IRIS
BELARDO, Francesco
 Distribuzione geografica
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Continente #
AS - Asia 2.462
NA - Nord America 2.074
EU - Europa 1.513
SA - Sud America 210
Continente sconosciuto - Info sul continente non disponibili 159
AF - Africa 99
OC - Oceania 6
Totale 6.523
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Nazione #
US - Stati Uniti d'America 1.960
SG - Singapore 1.234
IT - Italia 601
RU - Federazione Russa 598
CN - Cina 447
VN - Vietnam 332
HK - Hong Kong 181
BR - Brasile 171
BD - Bangladesh 82
FR - Francia 76
CI - Costa d'Avorio 56
CA - Canada 55
FI - Finlandia 52
DE - Germania 41
IN - India 39
IE - Irlanda 38
GB - Regno Unito 28
KR - Corea 26
JP - Giappone 25
AR - Argentina 22
MX - Messico 21
NL - Olanda 16
ID - Indonesia 15
UA - Ucraina 13
IQ - Iraq 12
TH - Thailandia 11
EC - Ecuador 9
JM - Giamaica 8
AT - Austria 7
CR - Costa Rica 7
DZ - Algeria 7
JO - Giordania 7
MA - Marocco 7
PH - Filippine 7
PK - Pakistan 7
AU - Australia 6
RO - Romania 6
SA - Arabia Saudita 6
TR - Turchia 6
ES - Italia 5
PL - Polonia 5
SE - Svezia 5
UZ - Uzbekistan 5
ET - Etiopia 4
KE - Kenya 4
TT - Trinidad e Tobago 4
TW - Taiwan 4
BB - Barbados 3
BG - Bulgaria 3
CO - Colombia 3
GT - Guatemala 3
KW - Kuwait 3
LT - Lituania 3
NI - Nicaragua 3
SN - Senegal 3
ZA - Sudafrica 3
BE - Belgio 2
CZ - Repubblica Ceca 2
DK - Danimarca 2
DO - Repubblica Dominicana 2
EG - Egitto 2
HN - Honduras 2
HU - Ungheria 2
IL - Israele 2
IR - Iran 2
PA - Panama 2
PT - Portogallo 2
RS - Serbia 2
SC - Seychelles 2
TN - Tunisia 2
UG - Uganda 2
VE - Venezuela 2
AE - Emirati Arabi Uniti 1
AZ - Azerbaigian 1
BS - Bahamas 1
BW - Botswana 1
BY - Bielorussia 1
BZ - Belize 1
CH - Svizzera 1
CL - Cile 1
DJ - Gibuti 1
DM - Dominica 1
GE - Georgia 1
KZ - Kazakistan 1
ML - Mali 1
MM - Myanmar 1
MU - Mauritius 1
MW - Malawi 1
MY - Malesia 1
NO - Norvegia 1
NP - Nepal 1
PE - Perù 1
PR - Porto Rico 1
RE - Reunion 1
SI - Slovenia 1
SY - Repubblica araba siriana 1
UY - Uruguay 1
YE - Yemen 1
ZM - Zambia 1
Totale 6.364
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Città #
Singapore 618
San Jose 277
Chandler 201
Ashburn 194
Hong Kong 176
Santa Clara 175
Moscow 160
Hefei 119
Naples 99
Council Bluffs 88
Ho Chi Minh City 83
Beijing 71
Hanoi 68
Lauterbourg 59
Rome 55
The Dalles 49
Dong Ket 46
Millbury 46
Los Angeles 44
Milan 35
Des Moines 33
New York 30
Nanjing 29
Princeton 29
Boston 27
Napoli 26
Buffalo 25
Wilmington 25
Helsinki 24
Ottawa 24
Phoenix 24
Redondo Beach 24
Lawrence 23
Seoul 21
Tokyo 19
Dallas 18
Haiphong 14
Mexico City 13
Nanchang 13
São Paulo 13
Falkenstein 12
Shanghai 12
Frankfurt am Main 11
Boardman 10
Seattle 10
Chicago 9
Jacksonville 9
Rio de Janeiro 9
Toronto 9
Da Nang 8
Lappeenranta 8
Orem 8
Redwood City 8
Woodbridge 8
Bangkok 7
Hebei 7
Houston 7
Turin 7
Afragola 6
Amman 6
Jiaxing 6
Montreal 6
San José 6
Sant'Arpino 6
Shenyang 6
Tianjin 6
Bari 5
Bologna 5
Can Tho 5
Catania 5
Changsha 5
Fairfield 5
Jinan 5
Kingston 5
North Bergen 5
Nuremberg 5
Porto Alegre 5
Wuhan 5
Xi'an 5
Atlanta 4
Baghdad 4
Barletta 4
Bengaluru 4
Biên Hòa 4
Guangzhou 4
Guayaquil 4
Hangzhou 4
Hyderabad 4
Indiana 4
London 4
Mumbai 4
Munro 4
Nairobi 4
Sydney 4
Warsaw 4
Addis Ababa 3
Aversa 3
Belo Horizonte 3
Brooklyn 3
Bắc Giang 3
Totale 3.468
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Nome #
The anti-adjacency matrix of a graph: Eccentricity matrix 214
Total graph of a signed graph 195
Balancedness and the least Laplacian eigenvalue of some Complex Unit Gain Graphs 147
Signed bicyclic graphs minimizing the least Laplacian eigenvalue 146
Signed Graphs with extremal least Laplacian eigenvalue 139
Graphs Whose Aα-Spectral Radius Does Not Exceed 2 135
Signed graphs with strong (anti-)reciprocal eigenvalue property 134
Construction of cospectral graphs, signed graphs and T-gain graphs via partial transpose 133
Connected signed graphs L-cospectral to signed ∞-graphs 129
Line and subdivision graphs determined by T4-gain graphs 128
Edge perturbation on signed graphs with clusters: Adjacency and Laplacian eigenvalues 123
Limit points of (signless) Laplacian spectral radii of linear trees 122
Unbalanced Unicyclic and Bicyclic Graphs with Extremal Spectral Radius 122
Locating eigenvalues of unbalanced unicyclic signed graphs 121
Spectra of quaternion unit gain graphs 121
Spectral properties of the eccentricity matrix of graphs 119
Godsil-McKay switching for mixed and gain graphs over the circle group 117
On eigenspaces of some compound complex unit gain graphs 115
On the divisibility of H-shape trees and their spectral determination 111
The k-apex trees with minimum augmented Zagreb index 110
Constructing cospectral signed graphs 107
Introduction to the Proceedings of WGTTG2021 105
Preface 104
Line graphs of complex unit gain graphs with least eigenvalue -2 103
Spectral characterizations of signed lollipop graphs 101
The minimal augmented Zagreb index of k-apex trees for k∈{1,2,3} 101
NEPS of complex unit gain graphs 99
On Quipus whose signless Laplacian index does not exceed 4.5 99
A note on the signless laplacian eigenvalues of graphs 95
The general spectral radii of (multicone-)graphs with prescribed degree sequence 95
Laplacian spectral characterization of disjoint union of paths and cycles 94
Wreath product of a complete graph with a cyclic graph: topological indices and spectrum 94
Infinite families of trees with equal spectral radius 93
Spectral characterizations of graphs with small spectral radius 92
Balancedness and the least eigenvalue of Laplacian of signed graphs 91
On the spectral characterizations of 3-rose graphs 89
Limit points for the spectral radii of signed graphs 88
On the Laplacian coefficients of signed graphs 88
Almost every complement of a tadpole graph is not chromatically unique 86
Computing the permanental polynomial of a matrix from a combinatorial viewpoint 86
On the multiplicity of α as an A_α (Γ)-eigenvalue of signed graphs with pendant vertices 84
Maximal Lanzhou index of trees and unicyclic graphs with prescribed diameter 83
A lower bound for the first Zagreb index and its application 83
On signed graphs whose second largest Laplacian eigenvalue does not exceed 3 83
On graphs whose least eigenvalue is greater than –2 82
On the largest eigenvalue of some bidegreed graphs 81
Graphs whose signless Laplacian spectral radius does not exceed the Hoffman limit value 81
Open problems in the spectral theory of signed graphs 77
On the structure of bidegreed graphs with minimal spectral radius 76
Spectral characterizations of signed cycles 72
Signless Laplacian eigenvalues and circumference of graphs 71
On graphs with exactly three Q-eigenvalues at least two 71
Signed line graphs with least eigenvalue -2: The star complement technique 71
On the largest eigenvalue of signed unicyclic graphs 70
Spectral characterizations of graphs with at most two (signless) Laplacian eigenvalues greater than 2 70
Unified extremal results of topological indices and spectral invariants of graphs 68
Preface: The congress “HyGraDe 2017” and a biographical note on Mario Gionfriddo 67
A switching method for constructing cospectral gain graphs 66
Developments on the Hoffman program of graphs 66
Perturbations on bidegreed graphs minimizing the spectral radius 65
On graphs whose Laplacian index does not exceed 4.5 65
Signless Laplacian spectral characterization of line graphs of T-shape trees 63
Spectral analysis of the wreath product of a complete graph with a cocktail party graph 62
Spectral ordering of trees with small index 61
The International Congress on Hypergraphs, Graphs and Designs – HyGraDe 2017 60
On eigenspaces of some compound signed graphs 54
On signed graphs with at most three positive eigenvalues 22
On the distribution of distance signless Laplacian eigenvalues with given independence and chromatic number 20
On H-joins of complex unit gain graphs and their stability 17
Hoffman program of Laplacian matching polynomials of graphs 16
Independent domination polynomials of binary sequence graphs 5
Totale 6.523
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Categoria #
all - tutte 22.515
article - articoli 0
book - libri 0
conference - conferenze 0
curatela - curatele 0
other - altro 0
patent - brevetti 0
selected - selezionate 0
volume - volumi 0
Totale 22.515
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Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2021/2022239 0 0 20 6 3 11 11 17 42 4 8 117
2022/2023399 57 42 6 36 60 53 3 40 66 3 29 4
2023/2024396 35 43 28 32 14 30 29 76 13 12 54 30
2024/20251.680 83 113 27 17 81 123 207 153 88 106 530 152
2025/20262.796 254 210 305 157 440 139 247 240 456 162 98 88
2026/2027455 140 134 181 0 0 0 0 0 0 0 0 0
Totale 6.523